.diyi {
    position: absolute;
    display: block;
    width: 1400px;
    height: 800px;
    background-color: black;
    margin: 0 auto;
    left: 60px;
}

.big {
    width: 1400px;
    height: 400px;
    background-color: black;
    margin: 0 auto;
    position: absolute;
    text-align: center;
    top: 900px;
    left: 60px;
    top: 800px;
}

.diyi h2 {
    padding-top: 50px;
    color: white;
    font-size: 100px;
    position: absolute;
    left: 200px;
    top: 150px;
}

.first {
    width: 200px;
    height: 150px;
    border-radius: 5px;
    background-color: #ffffff;
    position: absolute;
    box-sizing: border-box;
    top: 200px;
    left: 220px;
}

.first1 img {
    display: inline-block;
    width: 50px;
    height: 50px;
    position: relative;
    margin-top: 35px;
    margin-right: 750px;
}

.first a {
    text-decoration: none;
    position: absolute;
    left: 50px;
    top: 115px;
    background-color: black;
    color: white;
    border-radius: 5px;
    width: 100px;
    height: 50px;
}

.first p {
    display: block;
    width: 170px;
    font-size: 6px;
    margin-top: -20px;
    margin-left: 15px;
}

.second {
    width: 200px;
    height: 150px;
    border-radius: 5px;
    background-color: #ffffff;
    position: absolute;
    box-sizing: border-box;
    top: 200px;
    left: 480px;
}

.second a {
    text-decoration: none;
    position: absolute;
    left: 50px;
    top: 115px;
    background-color: black;
    color: white;
    border-radius: 5px;
    width: 100px;
    height: 50px;
}

.second2 img {
    display: inline-block;
    width: 50px;
    height: 50px;
    position: absolute;
    margin-top: -50px;
    margin-left: -150px;
}

.second p {
    display: block;
    width: 170px;
    font-size: 6px;
    margin-top: -20px;
    margin-left: 15px;
}

.third {
    width: 200px;
    height: 150px;
    border-radius: 5px;
    background-color: #ffffff;
    position: absolute;
    box-sizing: border-box;
    top: 200px;
    left: 730px;
}

.third a {
    text-decoration: none;
    position: absolute;
    left: 50px;
    top: 115px;
    background-color: black;
    color: white;
    border-radius: 5px;
    width: 100px;
    height: 50px;
}

.third3 img {
    display: inline-block;
    width: 50px;
    height: 50px;
    position: absolute;
    margin-top: -50px;
    margin-left: 95px;
}

.third p {
    display: block;
    width: 170px;
    font-size: 6px;
    margin-top: -20px;
    margin-left: 15px;
}

.forth {
    width: 200px;
    height: 150px;
    border-radius: 5px;
    background-color: #ffffff;
    position: absolute;
    box-sizing: border-box;
    top: 200px;
    left: 1000px;
}

.forth a {
    text-decoration: none;
    position: absolute;
    left: 50px;
    top: 115px;
    background-color: black;
    color: white;
    border-radius: 5px;
    width: 100px;
    height: 50px;
}

.forth4 img {
    width: 50px;
    height: 50px;
    position: absolute;
    margin-top: -50px;
    margin-left: 350px;
}

.forth p {
    display: block;
    width: 170px;
    font-size: 6px;
    margin-top: -20px;
    margin-left: 15px;
}

h5 {
    display: block;
    padding: 10px;
    box-sizing: border-box;
}

a {
    font-size: x-large;
    color: red;
}